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Green algae bloom to hit the Huangpu River

THE Huangpu River will be hit by an outbreak of green algae in the annual plum rain season this month, with algae already appearing in Jinshan District last week, the Shanghai Greenery and Public Sanitation Bureau said yesterday.

There's a bloom of nearly 1,170 tons of green algae, covering an area of about 39 square kilometers, in the river's tributaries and upper reaches and it had reached the Huangpu's Maogang section west of the Songpu Bridge by last week, said Yu Hai, from the bureau's water management department.

Boat crews have been mobilized to clean up the algae in tributaries to stop it invading the Huangpu River, Yu said. But about 540 tons of algae were in waters in Jinshan District yesterday, he added.

"The green algae pollution is milder than last year, but we'll have to wait until the peak to see the total," Yu said.

Algae outbreaks used to threaten only the upper reaches of Suzhou Creek, but last June for the first time a bloom broke out at Maogang and reached the Xupu Bridge, threatening the waters by the Bund.


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